This diagram covers Group 7 Halogens within Group 7: Halogens for GCSE Chemistry. Revise Group 7: Halogens in Atomic Structure for GCSE Chemistry with 20 exam-style questions and 20 flashcards. This topic appears less often, but it can still be a useful differentiator on mixed-topic papers. It is section 2 of 12 in this topic. Focus on the labels, the relationships between parts, and the explanation that turns the diagram into an exam-ready answer.
Topic position
Section 2 of 12
Practice
20 questions
Recall
20 flashcards
📊 Group 7 Halogens
Figure 1: Group 7 halogens — reactivity decreases going down as the outer shell moves further from the nucleus.